diff --git a/addons/website/models/website_form.py b/addons/website/models/website_form.py
index 896568595ef..cb4b4b141b5 100644
--- a/addons/website/models/website_form.py
+++ b/addons/website/models/website_form.py
@@ -1,9 +1,13 @@
 # -*- coding: utf-8 -*-
 # Part of Odoo. See LICENSE file for full copyright and licensing details.
 
+import logging
+
 from odoo import models, fields, api, SUPERUSER_ID
 from odoo.http import request
 
+_logger = logging.getLogger(__name__)
+
 
 class website_form_config(models.Model):
     _inherit = 'website'
@@ -116,6 +120,11 @@ class website_form_model_fields(models.Model):
         if not self.env['res.users'].has_group('website.group_website_designer'):
             return False
 
+        unexisting_fields = [field for field in fields if field not in self.env[model]._fields.keys()]
+        if unexisting_fields:
+            # TODO in master: Raise instead of log
+            _logger.error("Unable to whitelist field(s) %r for model %r.", unexisting_fields, model)
+
         # the ORM only allows writing on custom fields and will trigger a
         # registry reload once that's happened. We want to be able to
         # whitelist non-custom fields and the registry reload absolutely
diff --git a/addons/website_form_project/data/website_form_project_data.xml b/addons/website_form_project/data/website_form_project_data.xml
index 1a3052472c3..df4d340a0eb 100644
--- a/addons/website_form_project/data/website_form_project_data.xml
+++ b/addons/website_form_project/data/website_form_project_data.xml
@@ -11,7 +11,6 @@
             <value>project.task</value>
             <value eval="[
                 'name',
-                'email_from',
                 'description',
                 'project_id',
             ]"/>
diff --git a/addons/website_form_project/static/src/js/website_form_project_editor.js b/addons/website_form_project/static/src/js/website_form_project_editor.js
index 5c137b0254c..4ba1aeedbc9 100644
--- a/addons/website_form_project/static/src/js/website_form_project_editor.js
+++ b/addons/website_form_project/static/src/js/website_form_project_editor.js
@@ -11,7 +11,8 @@ FormEditorRegistry.add('create_task', {
         string: _t('Task Title'),
     }, {
         type: 'email',
-        modelRequired: true,
+        custom: true,
+        required: true,
         fillWith: 'email',
         name: 'email_from',
         string: _t('Your Email'),